自定义Toast

public class MyToast {

        public static void showText(Context context, final String message) {
            View view = LayoutInflater.from(context).inflate(R.layout.toast, null);
            TextView textView = (TextView) view.findViewById(R.id.tv);
            textView.setText(message);
            Toast toast = new Toast(context);
            toast.setView(view);
            toast.setDuration(Toast.LENGTH_LONG);
            toast.setGravity(Gravity.CENTER, 0, 0);
            toast.show();
        }
    }